Fibre
Insoluble fibre
Fibre is an important component of a healthy balanced diet. We get fibre from plant-based foods, but it's not something the body can absorb. This means fibre is not a nutrient and contains no calories or vitamins.
- Fibre helps your digestive system to process food and absorb nutrients.
- Fibre lowers blood cholesterol.
- Fibre helps to control blood sugar levels, which in turn controls appetite.
There are two types of fibre: insoluble and soluble.
Insoluble fibre is found in the following foods:
How much fibre do foods contain?
'High fibre' should contain 6g fibre per 100g or ml.
A 'source' of fibre should contain 3g fibre per 100g or ml.
How do I increase dietary fibre?
You should only aim for a 5g increase over a three to five day period, and drink plenty of water for it to be effective.
Make sure you get both forms of fibre in your diet.
Tips for healthy living
Soluble fibre
Soluble fibre contains gums and pectin. This type of fibre lowers cholesterol levels and controls blood sugar. It can be found in all fruit and vegetables, but the following are rich sources:
How much do I need?
Current advice says adults should aim for 18g fibre a day. Most of us eat less than this, and The British Nutrition Foundation puts the average adult intake at 12g.
Breakfast cereals are our most usual source of dietary fibre. Below are some examples of other foods, so you can compare fibre content. You can also check nutrition labels to find out how much fibre something contains.
Because fibre is central to your bowel health, be careful about suddenly increasing your intake and overburdening your digestive system.
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